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satela [25.4K]
3 years ago
6

Fred is 4 times as old as nathen and is also27 years older than nathen

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer: Nathen is 9 years old and Fred is 36 years old.

Step-by-step explanation:

set Nathen's age = x

set Fred's age = 4x (because he is 4 times as old as Nathen)

4x = x + 27

3x = 27

x = 9 (Nathen's age)

4x = 36 (Fred's age)

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Bess [88]
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6 0
2 years ago
Find 4 x f(x) if f(x)=-3x-8
VLD [36.1K]
Replace f(x) in the equation with what it equals:

4 \times (-3x - 8)

Distribute 4 to each term in parentheses:

4 \times -3x = -12x
4 \times -8 = -32

-12x - 32

The answer is C.


7 0
3 years ago
Suppose that 10 years ago you bought a home for $160,000, paying 10% as a down payment, and financing the rest at 9% interest fo
Goshia [24]

Answer:

Current monthly payment on their existing mortgage would be $1158.66

Step-by-step explanation:

Total cash value = $160,000

Down payment = 10% of 160,000

Down Payment = $16,000

Balance amount = 160,000 - 16,000 = $144,000

Monthly payment formula:

P=\dfrac{r(PV)}{1-(1+r)^{-n}}

where,

PV is present value of home, PV=$144,000

r is rate per period , r=\frac{9}{1200}=0.0075

n is number of period, n=30x12 = 360

P=\dfrac{0.0075\times 144000}{1-(1+0.0075)^{-360}}

P=\$ 1158.66

Monthly payment would be same for 30 years.

Thus, Current monthly payment on their existing mortgage would be $1158.66

5 0
3 years ago
For f (x) = 9 * 81^x evaluate f(-1/2)
LekaFEV [45]

Step-by-step explanation:

f(x) = 9 * 81^x

When x = -1/2,

f(-1/2) = 9 * 81^(-1/2) = 9 * (1/9) = 1.

8 0
3 years ago
Which expression is not equivalent to 8+(n-4)
MrRa [10]
Where's your options? give the full info please!
4 0
3 years ago
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